Hitachi Energy New Generation Digital Substation

The term “digital substation” currently applies to substations using process bus technology. Process buses replace hard-wired connections with Ethernet communication.

Distributed intelligent electronic devices (IEDs) interconnected via a communication network based on IEC 61850 perform operation and control.

IEDs can measure and communicate variables such as current or voltage, or switching devices such as relays.

However, IEDs communicate digitally over serial or Ethernet networks for protection, measurement, metering, or monitoring.

Digital substations can use other communication methods, but IEC-61850 is the modern global communication protocol.

IEC 61850 is more than just a protocol, or even a set of protocols, it is a comprehensive standard that

It is a comprehensive standard that was designed from the ground up to operate on modern network technologies. It provides functionality not found in traditional communication protocols.

It provides interfaces to communication services and supports Generic Object Oriented Substation Events (GOOSE), Sampled Measured Values (SMV), logging and other services.

These unique features of IEC 61850 help to significantly reduce the costs associated with power system design, installation, commissioning and operation.

Asset Performance Management (APM) Solution Collects Data from Digital Substations

The Asset Performance Management (APM) solution collects data from digital substations and combines data collection, integration, visualization, and analytics to

APM encompasses concepts such as condition monitoring, predictive forecasting, and reliability-centered maintenance (RCM).

Digital Substation APM collects data from the substation's IED and combines this data with other relevant asset data.

Combining data collection with a deeper understanding of an asset's operating characteristics can provide significant value to operations and maintenance personnel by supporting predictive methods.